What is the Definition of Ready for a backlog item?
Tests your grasp of upstream quality gates in Agile. Define DoR as a team's checklist for sprint-ready items, explain it protects dev focus and predictability, and give examples like clear acceptance criteria.
What's really being asked
This question assesses your practical experience with Scrum and Agile beyond textbook definitions. The interviewer wants to see if you understand how to create a stable, predictable development environment by managing the quality of inputs (the backlog). It's a test of your ability to collaborate with Product Owners to prevent 'garbage-in, garbage-out' scenarios that derail sprints, hurt morale, and make velocity unpredictable. They are looking for a proactive, not reactive, engineering mindset.
The full answer
A strong answer hits three points in order. First, define the 'Definition of Ready' (DoR) as a working agreement or checklist, co-created by the entire team (Devs, PO, QA), that a Product Backlog Item (PBI) must satisfy before it can be pulled into a sprint. Note that it is not an official part of the Scrum Guide but a widely adopted, valuable practice. Second, explain its importance for the development team: it protects their focus by preventing half-baked stories from entering a sprint. This reduces ambiguity, churn, and mid-sprint requirement changes, which in turn leads to more accurate estimation and a more predictable velocity. Third, provide concrete examples of what you'd expect to see on a DoR checklist.
The mistakes people make
A major red flag is confusing Definition of Ready with Definition of Done. DoR is the gate for entering a sprint; DoD is the gate for exiting it (i.e., being considered complete). Another weak answer treats the DoR as a rigid, bureaucratic weapon to reject work from the Product Owner. It should be a collaborative agreement, not a contract for finger-pointing. Finally, answers that are too generic and don't provide specific checklist examples (e.g., "the story needs to be clear") are a sign of theoretical knowledge without practical application.
What usually comes next
Expect questions like: "What happens if a story doesn't meet the Definition of Ready during sprint planning?", "How would you introduce the concept of a DoR to a team that doesn't have one?", or "Can the Definition of Ready ever be a bad thing?". This last one tests your understanding of nuance – a DoR can become overly bureaucratic and stifle agility if not implemented thoughtfully as a lightweight guardrail.
A concrete example
For a new user-facing feature, a good DoR might require the PBI to be: 1. Written as a standard user story ("As a <user type>, I want <goal> so that <benefit>"). 2. Have at least 3-5 clear, testable acceptance criteria. 3. Have final UI/UX mockups from Figma attached and approved. 4. Be estimated by the engineering team during a refinement session (e.g., has a story point value). 5. Have any external dependencies (e.g., another team's API) identified with a clear contract. If any of these are missing, the story is not "Ready" and cannot be committed to in the upcoming sprint.
Interview question
What is the primary purpose of establishing a 'Definition of Ready' for backlog items?
- a.To ensure a backlog item is sufficiently understood and actionable before being accepted into a sprint.Correct
- b.To give developers a formal mechanism to reject stories they disagree with or find poorly written.
- c.To specify the criteria an item must meet to be considered complete and potentially shippable by the end of the sprint.
- d.To comply with an official rule in the Scrum Guide that governs how backlog items are prepared.
Why? this is the answer
The Definition of Ready is an upstream quality gate to ensure work is clear and valuable before a team commits. The most common distractor confuses this with the Definition of Done, which defines the criteria for an item to be considered complete at the end of a sprint.
Just read this? Test yourself on what you have been reading.
Read the original → agilealliance.org
You just looked this up. Could you explain it out loud?
That is the part interviews actually test. Tezvyn takes questions like this one and gives you what the interviewer is really checking, the answer that lands, and the mistake that ends the conversation, in the four minutes before your next meeting.
The iPhone app is on the way
We are building it. Until it lands, nothing here is held back from you: every interview card, your saved cards, streaks and the job board all work in Safari, plus hundreds of free practice quizzes of thirty questions each. Sign in and it all carries over to the app the day it arrives.
Want it as an icon? Tap Share at the bottom of Safari, then Add to Home Screen. It opens full screen and the cards you have read stay available offline.
We are hiring for this. Open roles that interview on agile — each one lists the topics its interview covers.
See open roles